Exhaust silencer



FIG. 1 is a front elevational view of the ornamental design of the present invention, the back view being a mirror image thereof;

FIG. 2 is a top plan view of the ornamental design shown in FIG. 1;

FIG. 3 is a bottom view of the ornamental design shown in FIG. 1;

FIG. 4 is a left side view of the ornamental design shown in FIG. 1; and,

FIG. 5 is a right side view of the ornamental design shown in FIG. 1.

The drawing is lined for color. 

The ornamental design for a exhaust silencer, as shown and described. 